diff --git a/packages/react-native-executorch/common/rnexecutorch/TokenizerModule.h b/packages/react-native-executorch/common/rnexecutorch/TokenizerModule.h
index 77c94b4bf..5431abe71 100644
--- a/packages/react-native-executorch/common/rnexecutorch/TokenizerModule.h
+++ b/packages/react-native-executorch/common/rnexecutorch/TokenizerModule.h
@@ -11,11 +11,16 @@ class TokenizerModule {
 public:
   explicit TokenizerModule(std::string source,
                            std::shared_ptr<react::CallInvoker> callInvoker);
-  std::vector<int32_t> encode(std::string s) const;
-  std::string decode(std::vector<int32_t> vec, bool skipSpecialTokens) const;
-  std::string idToToken(int32_t tokenId) const;
-  int32_t tokenToId(std::string token) const;
-  std::size_t getVocabSize() const;
+  [[nodiscard("Registered non-void function")]] std::vector<int32_t>
+  encode(std::string s) const;
+  [[nodiscard("Registered non-void function")]] std::string
+  decode(std::vector<int32_t> vec, bool skipSpecialTokens) const;
+  [[nodiscard("Registered non-void function")]] std::string
+  idToToken(int32_t tokenId) const;
+  [[nodiscard("Registered non-void function")]] int32_t
+  tokenToId(std::string token) const;
+  [[nodiscard("Registered non-void function")]] std::size_t
+  getVocabSize() const;
   std::size_t getMemoryLowerBound() const noexcept;
 
 private:
diff --git a/packages/react-native-executorch/common/rnexecutorch/host_objects/ModelHostObject.h b/packages/react-native-executorch/common/rnexecutorch/host_objects/ModelHostObject.h
index 4caf5c132..d4b107004 100644
--- a/packages/react-native-executorch/common/rnexecutorch/host_objects/ModelHostObject.h
+++ b/packages/react-native-executorch/common/rnexecutorch/host_objects/ModelHostObject.h
@@ -31,15 +31,11 @@ template <typename Model> class ModelHostObject : public JsiHostObject {
     if constexpr (meta::DerivedFromOrSameAs<Model, models::BaseModel>) {
       addFunctions(
           JSI_EXPORT_FUNCTION(ModelHostObject<Model>, unload, "unload"));
-    }
 
-    if constexpr (meta::DerivedFromOrSameAs<Model, models::BaseModel>) {
       addFunctions(JSI_EXPORT_FUNCTION(ModelHostObject<Model>,
                                        promiseHostFunction<&Model::forwardJS>,
                                        "forward"));
-    }
 
-    if constexpr (meta::DerivedFromOrSameAs<Model, models::BaseModel>) {
       addFunctions(JSI_EXPORT_FUNCTION(
           ModelHostObject<Model>, promiseHostFunction<&Model::getInputShape>,
           "getInputShape"));
@@ -86,13 +82,6 @@ template <typename Model> class ModelHostObject : public JsiHostObject {
     }
 
     if constexpr (meta::SameAs<Model, TokenizerModule>) {
-      addFunctions(JSI_EXPORT_FUNCTION(ModelHostObject<Model>,
-                                       promiseHostFunction<&Model::encode>,
-                                       "encode"));
-
-      addFunctions(JSI_EXPORT_FUNCTION(ModelHostObject<Model>,
-                                       promiseHostFunction<&Model::decode>,
-                                       "decode"));
       addFunctions(JSI_EXPORT_FUNCTION(
           ModelHostObject<Model>, promiseHostFunction<&Model::getVocabSize>,
           "getVocabSize"));
@@ -105,10 +94,6 @@ template <typename Model> class ModelHostObject : public JsiHostObject {
     }
 
     if constexpr (meta::SameAs<Model, models::llm::LLM>) {
-      addFunctions(JSI_EXPORT_FUNCTION(ModelHostObject<Model>,
-                                       promiseHostFunction<&Model::generate>,
-                                       "generate"));
-
       addFunctions(JSI_EXPORT_FUNCTION(
           ModelHostObject<Model>, synchronousHostFunction<&Model::interrupt>,
           "interrupt"));
diff --git a/packages/react-native-executorch/common/rnexecutorch/models/BaseModel.h b/packages/react-native-executorch/common/rnexecutorch/models/BaseModel.h
index 983dc9b74..dd3ecbb5c 100644
--- a/packages/react-native-executorch/common/rnexecutorch/models/BaseModel.h
+++ b/packages/react-native-executorch/common/rnexecutorch/models/BaseModel.h
@@ -21,10 +21,11 @@ class BaseModel {
             std::shared_ptr<react::CallInvoker> callInvoker);
   std::size_t getMemoryLowerBound() const noexcept;
   void unload() noexcept;
-  std::vector<int32_t> getInputShape(std::string method_name, int32_t index);
+  [[nodiscard("Registered non-void function")]] std::vector<int32_t>
+  getInputShape(std::string method_name, int32_t index);
   std::vector<std::vector<int32_t>>
   getAllInputShapes(std::string methodName = "forward");
-  std::vector<JSTensorViewOut>
+  [[nodiscard("Registered non-void function")]] std::vector<JSTensorViewOut>
   forwardJS(std::vector<JSTensorViewIn> tensorViewVec);
   Result<std::vector<EValue>> forward(const EValue &input_value) const;
   Result<std::vector<EValue>>
diff --git a/packages/react-native-executorch/common/rnexecutorch/models/classification/Classification.h b/packages/react-native-executorch/common/rnexecutorch/models/classification/Classification.h
index 88f1e3046..1465fc5f9 100644
--- a/packages/react-native-executorch/common/rnexecutorch/models/classification/Classification.h
+++ b/packages/react-native-executorch/common/rnexecutorch/models/classification/Classification.h
@@ -17,7 +17,9 @@ class Classification : public BaseModel {
 public:
   Classification(const std::string &modelSource,
                  std::shared_ptr<react::CallInvoker> callInvoker);
-  std::unordered_map<std::string_view, float> generate(std::string imageSource);
+  [[nodiscard("Registered non-void function")]] std::unordered_map<
+      std::string_view, float>
+  generate(std::string imageSource);
 
 private:
   std::unordered_map<std::string_view, float> postprocess(const Tensor &tensor);
diff --git a/packages/react-native-executorch/common/rnexecutorch/models/embeddings/image/ImageEmbeddings.h b/packages/react-native-executorch/common/rnexecutorch/models/embeddings/image/ImageEmbeddings.h
index f5f7a0e89..7e114e939 100644
--- a/packages/react-native-executorch/common/rnexecutorch/models/embeddings/image/ImageEmbeddings.h
+++ b/packages/react-native-executorch/common/rnexecutorch/models/embeddings/image/ImageEmbeddings.h
@@ -16,7 +16,9 @@ class ImageEmbeddings final : public BaseEmbeddings {
 public:
   ImageEmbeddings(const std::string &modelSource,
                   std::shared_ptr<react::CallInvoker> callInvoker);
-  std::shared_ptr<OwningArrayBuffer> generate(std::string imageSource);
+  [[nodiscard(
+      "Registered non-void function")]] std::shared_ptr<OwningArrayBuffer>
+  generate(std::string imageSource);
 
 private:
   cv::Size modelImageSize{0, 0};
diff --git a/packages/react-native-executorch/common/rnexecutorch/models/embeddings/text/TextEmbeddings.h b/packages/react-native-executorch/common/rnexecutorch/models/embeddings/text/TextEmbeddings.h
index 0b01bbf97..28dacca36 100644
--- a/packages/react-native-executorch/common/rnexecutorch/models/embeddings/text/TextEmbeddings.h
+++ b/packages/react-native-executorch/common/rnexecutorch/models/embeddings/text/TextEmbeddings.h
@@ -17,7 +17,9 @@ class TextEmbeddings final : public BaseEmbeddings {
   TextEmbeddings(const std::string &modelSource,
                  const std::string &tokenizerSource,
                  std::shared_ptr<react::CallInvoker> callInvoker);
-  std::shared_ptr<OwningArrayBuffer> generate(const std::string input);
+  [[nodiscard(
+      "Registered non-void function")]] std::shared_ptr<OwningArrayBuffer>
+  generate(const std::string input);
 
 private:
   std::vector<std::vector<int32_t>> inputShapes;
diff --git a/packages/react-native-executorch/common/rnexecutorch/models/image_segmentation/ImageSegmentation.h b/packages/react-native-executorch/common/rnexecutorch/models/image_segmentation/ImageSegmentation.h
index 779ab90c7..4b2a41a66 100644
--- a/packages/react-native-executorch/common/rnexecutorch/models/image_segmentation/ImageSegmentation.h
+++ b/packages/react-native-executorch/common/rnexecutorch/models/image_segmentation/ImageSegmentation.h
@@ -23,7 +23,7 @@ class ImageSegmentation : public BaseModel {
 public:
   ImageSegmentation(const std::string &modelSource,
                     std::shared_ptr<react::CallInvoker> callInvoker);
-  std::shared_ptr<jsi::Object>
+  [[nodiscard("Registered non-void function")]] std::shared_ptr<jsi::Object>
   generate(std::string imageSource,
            std::set<std::string, std::less<>> classesOfInterest, bool resize);
 
diff --git a/packages/react-native-executorch/common/rnexecutorch/models/object_detection/ObjectDetection.h b/packages/react-native-executorch/common/rnexecutorch/models/object_detection/ObjectDetection.h
index 88a97fa77..bba09a6d8 100644
--- a/packages/react-native-executorch/common/rnexecutorch/models/object_detection/ObjectDetection.h
+++ b/packages/react-native-executorch/common/rnexecutorch/models/object_detection/ObjectDetection.h
@@ -20,8 +20,8 @@ class ObjectDetection : public BaseModel {
 public:
   ObjectDetection(const std::string &modelSource,
                   std::shared_ptr<react::CallInvoker> callInvoker);
-  std::vector<types::Detection> generate(std::string imageSource,
-                                         double detectionThreshold);
+  [[nodiscard("Registered non-void function")]] std::vector<types::Detection>
+  generate(std::string imageSource, double detectionThreshold);
 
 private:
   std::vector<types::Detection> postprocess(const std::vector<EValue> &tensors,
diff --git a/packages/react-native-executorch/common/rnexecutorch/models/ocr/Detector.h b/packages/react-native-executorch/common/rnexecutorch/models/ocr/Detector.h
index f9fb2a39b..188ae58ec 100644
--- a/packages/react-native-executorch/common/rnexecutorch/models/ocr/Detector.h
+++ b/packages/react-native-executorch/common/rnexecutorch/models/ocr/Detector.h
@@ -20,7 +20,8 @@ class Detector final : public BaseModel {
 public:
   explicit Detector(const std::string &modelSource,
                     std::shared_ptr<react::CallInvoker> callInvoker);
-  std::vector<types::DetectorBBox> generate(const cv::Mat &inputImage);
+  [[nodiscard("Registered non-void function")]] std::vector<types::DetectorBBox>
+  generate(const cv::Mat &inputImage);
   cv::Size getModelImageSize() const noexcept;
 
 private:
diff --git a/packages/react-native-executorch/common/rnexecutorch/models/ocr/OCR.h b/packages/react-native-executorch/common/rnexecutorch/models/ocr/OCR.h
index c7c7e61c4..e1e5abae1 100644
--- a/packages/react-native-executorch/common/rnexecutorch/models/ocr/OCR.h
+++ b/packages/react-native-executorch/common/rnexecutorch/models/ocr/OCR.h
@@ -28,7 +28,8 @@ class OCR final {
                const std::string &recognizerSourceMedium,
                const std::string &recognizerSourceSmall, std::string symbols,
                std::shared_ptr<react::CallInvoker> callInvoker);
-  std::vector<types::OCRDetection> generate(std::string input);
+  [[nodiscard("Registered non-void function")]] std::vector<types::OCRDetection>
+  generate(std::string input);
   std::size_t getMemoryLowerBound() const noexcept;
   void unload() noexcept;
 
diff --git a/packages/react-native-executorch/common/rnexecutorch/models/ocr/Recognizer.h b/packages/react-native-executorch/common/rnexecutorch/models/ocr/Recognizer.h
index 50eafe968..21e9f9c6c 100644
--- a/packages/react-native-executorch/common/rnexecutorch/models/ocr/Recognizer.h
+++ b/packages/react-native-executorch/common/rnexecutorch/models/ocr/Recognizer.h
@@ -25,7 +25,9 @@ class Recognizer final : public BaseModel {
 public:
   explicit Recognizer(const std::string &modelSource,
                       std::shared_ptr<react::CallInvoker> callInvoker);
-  std::pair<std::vector<int32_t>, float> generate(const cv::Mat &grayImage);
+  [[nodiscard(
+      "Registered non-void function")]] std::pair<std::vector<int32_t>, float>
+  generate(const cv::Mat &grayImage);
 
 private:
   std::pair<std::vector<int32_t>, float>
diff --git a/packages/react-native-executorch/common/rnexecutorch/models/speech_to_text/SpeechToText.h b/packages/react-native-executorch/common/rnexecutorch/models/speech_to_text/SpeechToText.h
index d62ef266c..cdca867f5 100644
--- a/packages/react-native-executorch/common/rnexecutorch/models/speech_to_text/SpeechToText.h
+++ b/packages/react-native-executorch/common/rnexecutorch/models/speech_to_text/SpeechToText.h
@@ -14,11 +14,14 @@ class SpeechToText {
                         std::shared_ptr<react::CallInvoker> callInvoker);
 
   void unload() noexcept;
-  std::shared_ptr<OwningArrayBuffer> encode(std::span<float> waveform) const;
-  std::shared_ptr<OwningArrayBuffer>
+  [[nodiscard(
+      "Registered non-void function")]] std::shared_ptr<OwningArrayBuffer>
+  encode(std::span<float> waveform) const;
+  [[nodiscard(
+      "Registered non-void function")]] std::shared_ptr<OwningArrayBuffer>
   decode(std::span<int32_t> tokens, std::span<float> encoderOutput) const;
-  std::string transcribe(std::span<float> waveform,
-                         std::string languageOption) const;
+  [[nodiscard("Registered non-void function")]] std::string
+  transcribe(std::span<float> waveform, std::string languageOption) const;
 
   size_t getMemoryLowerBound() const noexcept;
 
diff --git a/packages/react-native-executorch/common/rnexecutorch/models/style_transfer/StyleTransfer.h b/packages/react-native-executorch/common/rnexecutorch/models/style_transfer/StyleTransfer.h
index 3fbdd5543..73744c4d8 100644
--- a/packages/react-native-executorch/common/rnexecutorch/models/style_transfer/StyleTransfer.h
+++ b/packages/react-native-executorch/common/rnexecutorch/models/style_transfer/StyleTransfer.h
@@ -21,7 +21,8 @@ class StyleTransfer : public BaseModel {
 public:
   StyleTransfer(const std::string &modelSource,
                 std::shared_ptr<react::CallInvoker> callInvoker);
-  std::string generate(std::string imageSource);
+  [[nodiscard("Registered non-void function")]] std::string
+  generate(std::string imageSource);
 
 private:
   std::string postprocess(const Tensor &tensor, cv::Size originalSize);
diff --git a/packages/react-native-executorch/common/rnexecutorch/models/vertical_ocr/VerticalDetector.h b/packages/react-native-executorch/common/rnexecutorch/models/vertical_ocr/VerticalDetector.h
index 802ab7329..6566fe24d 100644
--- a/packages/react-native-executorch/common/rnexecutorch/models/vertical_ocr/VerticalDetector.h
+++ b/packages/react-native-executorch/common/rnexecutorch/models/vertical_ocr/VerticalDetector.h
@@ -38,7 +38,8 @@ class VerticalDetector final : public BaseModel {
   explicit VerticalDetector(const std::string &modelSource,
                             bool detectSingleCharacters,
                             std::shared_ptr<react::CallInvoker> callInvoker);
-  std::vector<types::DetectorBBox> generate(const cv::Mat &inputImage);
+  [[nodiscard("Registered non-void function")]] std::vector<types::DetectorBBox>
+  generate(const cv::Mat &inputImage);
   cv::Size getModelImageSize() const noexcept;
 
 private:
diff --git a/packages/react-native-executorch/common/rnexecutorch/models/vertical_ocr/VerticalOCR.h b/packages/react-native-executorch/common/rnexecutorch/models/vertical_ocr/VerticalOCR.h
index f9f70f2d9..8395b3457 100644
--- a/packages/react-native-executorch/common/rnexecutorch/models/vertical_ocr/VerticalOCR.h
+++ b/packages/react-native-executorch/common/rnexecutorch/models/vertical_ocr/VerticalOCR.h
@@ -50,7 +50,8 @@ class VerticalOCR final {
                        const std::string &recognizerSource, std::string symbols,
                        bool indpendentCharacters,
                        std::shared_ptr<react::CallInvoker> callInvoker);
-  std::vector<types::OCRDetection> generate(std::string input);
+  [[nodiscard("Registered non-void function")]] std::vector<types::OCRDetection>
+  generate(std::string input);
   std::size_t getMemoryLowerBound() const noexcept;
   void unload() noexcept;